gn analyze output:
{
  "compile_targets": [],
  "status": "No dependency",
  "test_targets": []
}
gn analyze input:
{
  "files": [
    "//libc/test/UnitTest/CMakeLists.txt",
    "//libc/test/UnitTest/FEnvSafeTest.cpp",
    "//libc/test/UnitTest/FEnvSafeTest.h",
    "//libc/test/src/fenv/CMakeLists.txt",
    "//libc/test/src/fenv/enabled_exceptions_test.cpp",
    "//libc/test/src/fenv/exception_flags_test.cpp",
    "//libc/test/src/fenv/exception_status_test.cpp",
    "//libc/test/src/fenv/excepts.h",
    "//libc/test/src/fenv/feclearexcept_test.cpp",
    "//libc/test/src/fenv/feenableexcept_test.cpp",
    "//libc/test/src/fenv/feholdexcept_test.cpp",
    "//libc/test/src/fenv/feupdateenv_test.cpp",
    "//libc/test/src/fenv/getenv_and_setenv_test.cpp",
    "//libc/test/src/fenv/rounding_mode_test.cpp",
    "//libc/test/src/math/CeilTest.h",
    "//libc/test/src/math/CopySignTest.h",
    "//libc/test/src/math/FAbsTest.h",
    "//libc/test/src/math/FDimTest.h",
    "//libc/test/src/math/FMaxTest.h",
    "//libc/test/src/math/FMinTest.h",
    "//libc/test/src/math/FModTest.h",
    "//libc/test/src/math/FloorTest.h",
    "//libc/test/src/math/FmaTest.h",
    "//libc/test/src/math/FrexpTest.h",
    "//libc/test/src/math/HypotTest.h",
    "//libc/test/src/math/ILogbTest.h",
    "//libc/test/src/math/LdExpTest.h",
    "//libc/test/src/math/LogbTest.h",
    "//libc/test/src/math/ModfTest.h",
    "//libc/test/src/math/NextAfterTest.h",
    "//libc/test/src/math/RIntTest.h",
    "//libc/test/src/math/RemQuoTest.h",
    "//libc/test/src/math/RoundEvenTest.h",
    "//libc/test/src/math/RoundTest.h",
    "//libc/test/src/math/RoundToIntegerTest.h",
    "//libc/test/src/math/SqrtTest.h",
    "//libc/test/src/math/TruncTest.h",
    "//libc/test/src/math/exhaustive/fmod_generic_impl_test.cpp",
    "//libc/test/src/math/smoke/CanonicalizeTest.h",
    "//libc/test/src/math/smoke/CeilTest.h",
    "//libc/test/src/math/smoke/CopySignTest.h",
    "//libc/test/src/math/smoke/FAbsTest.h",
    "//libc/test/src/math/smoke/FDimTest.h",
    "//libc/test/src/math/smoke/FMaxTest.h",
    "//libc/test/src/math/smoke/FMaximumMagNumTest.h",
    "//libc/test/src/math/smoke/FMaximumMagTest.h",
    "//libc/test/src/math/smoke/FMaximumNumTest.h",
    "//libc/test/src/math/smoke/FMaximumTest.h",
    "//libc/test/src/math/smoke/FMinTest.h",
    "//libc/test/src/math/smoke/FMinimumMagNumTest.h",
    "//libc/test/src/math/smoke/FMinimumMagTest.h",
    "//libc/test/src/math/smoke/FMinimumNumTest.h",
    "//libc/test/src/math/smoke/FMinimumTest.h",
    "//libc/test/src/math/smoke/FModTest.h",
    "//libc/test/src/math/smoke/FloorTest.h",
    "//libc/test/src/math/smoke/FmaTest.h",
    "//libc/test/src/math/smoke/FrexpTest.h",
    "//libc/test/src/math/smoke/FromfpTest.h",
    "//libc/test/src/math/smoke/FromfpxTest.h",
    "//libc/test/src/math/smoke/HypotTest.h",
    "//libc/test/src/math/smoke/ILogbTest.h",
    "//libc/test/src/math/smoke/LdExpTest.h",
    "//libc/test/src/math/smoke/LogbTest.h",
    "//libc/test/src/math/smoke/ModfTest.h",
    "//libc/test/src/math/smoke/NextAfterTest.h",
    "//libc/test/src/math/smoke/NextDownTest.h",
    "//libc/test/src/math/smoke/NextTowardTest.h",
    "//libc/test/src/math/smoke/NextUpTest.h",
    "//libc/test/src/math/smoke/RIntTest.h",
    "//libc/test/src/math/smoke/RemQuoTest.h",
    "//libc/test/src/math/smoke/RoundEvenTest.h",
    "//libc/test/src/math/smoke/RoundTest.h",
    "//libc/test/src/math/smoke/RoundToIntegerTest.h",
    "//libc/test/src/math/smoke/SqrtTest.h",
    "//libc/test/src/math/smoke/TruncTest.h",
    "//libc/test/src/math/smoke/UfromfpTest.h",
    "//libc/test/src/math/smoke/UfromfpxTest.h",
    "//libc/test/src/math/smoke/nan_test.cpp",
    "//libc/test/src/math/smoke/nanf128_test.cpp",
    "//libc/test/src/math/smoke/nanf_test.cpp",
    "//libc/test/src/math/smoke/nanl_test.cpp",
    "//utils/bazel/llvm-project-overlay/libc/test/UnitTest/BUILD.bazel"
  ],
  "test_targets": [
    "//clang-tools-extra/clangd/test:check-clangd",
    "//clang-tools-extra/test:check-clang-tools",
    "//clang/test:check-clang",
    "//compiler-rt/test/hwasan:check-hwasan",
    "//lld/test:check-lld",
    "//llvm/test:check-llvm"
  ],
  "additional_compile_targets": []
}
running all tests due to change to blacklisted file